Features: 100% brand new and high quality WiFi smart garage door controller and garage open/close monitor are compatible with Sinilink mobile phone APP. Remote monitoring: You can open or close the door through APP. You can view the open or closed status of the garage door in real time. You can authorize multiple people to access your garage. Easy to use: Control the garage door immediately by tapping on the Tuya Smart or Smart Life app on your smartphone. Just connect the smart opener to the WiFi network. Extensive compatibility: Only one controller can be used for each garage door opener. Compatible with most general garage door openers. Please check our list. Timer function: You can set a schedule to open and close your garage door. It can be installed quickly and easily without the need for professionals. Package Includes: 1x Smart Garage Controller Specifications: Material: ABS Weight: 48g Size: 86x86x17mm/3.38x3.38x0.66inch Color: Blue note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.